Krzysztof Guczalski is Head of the Department of Aesthetics in the Institute of Philosophy at the Jagiellonian University of Krakow. He studied mathematics, musicology and philosophy in Krakow, Minneapolis and Bonn. His main research areas include philosophy of music, aesthetics, theory of signs and symbols, theory of pictures and political philosophy. From 2015 to 2019 he was editor-in-chief of the philosophical journal "Principia".